<template>
    <div class="login_container">
        <div class="login_box">
            <!-- 头像区域 -->
            <div class="avatar_box">
                <img src="../assets/logo.png" alt="">
            </div>
            <!-- 表单区域-->
            <el-form ref="loginFormData" :model="loginInfo" :rules="loginInfoRules" label-width="0px" class="loginForm">
                <el-form-item prop="username">
                    <el-input v-model="loginInfo.username" prefix-icon="iconfont icon-user"></el-input>
                </el-form-item>

               <el-form-item prop="password" >
                    <el-input type="password" v-model="loginInfo.password" prefix-icon="iconfont icon-3702mima"></el-input>
                </el-form-item>

                <el-form-item class="btns" >
                     <el-button  type="primary" @click="login">登录按钮</el-button>
                     <el-button type="info" @click="loginInfoReset">重置按钮</el-button>
                </el-form-item>
            </el-form>
        </div>
    </div>
</template>

<script>
export default {
    data() {
        return {
            loginInfo:{
                username:'admin',
                password:'123456'
            },
            loginInfoRules :{
                username :[
                    { required: true, message: '请输入用户名称', trigger: 'blur' },
                     { min: 3, max:10, message: '长度在 3 到 10 个字符', trigger: 'blur' }
                ],
                password:[
                     { required: true, message: '请输入登录密码', trigger: 'blur' }
                ]
            }
        }
    },
    methods: {
        loginInfoReset:function(){
            this.$refs.loginFormData.resetFields();
        },
        login(){
            var $this = this;
            this.$refs.loginFormData.validate(async function(valid,object){
                if(!valid) return;
              const {data:res} =  await $this.$http.post('login',$this.loginInfo);
              if(res.meta.status !==200) return $this.$message.error('登录失败'); 
               $this.$message.success('登录成功');
               //向客户端sessionStroe存储一个token
               window.sessionStorage.setItem('token',res.data.token);
               //跳转你到home页面
               $this.$router.push('/home');
            })
        }
    },
}
</script>

<style lang="less" scoped>
    .login_container {
        width: 100%;
        height: 100%;
        background-color: #2b4b6b;
    }
    .login_box {
        width: 450px;
        height: 300px;
        background-color: #fff;
        position: absolute;
        border-radius: 3px;
        left: 50%;
        top: 50%;
        transform: translate(-50%,-50%);
        .avatar_box{
            height: 130px;
            width: 130px;
            border:1px solid #eee;
            border-radius: 50%;
            padding: 10px;
            box-shadow: 0 0 10px #ddd;
            position: absolute;
            left: 50%;
            transform: translate(-50%,-50%);
            background-color: #fff;
            img {
                width: 100%;
                height: 100%;
                 border-radius: 50%;
                 background-color: #eee;
            }
        }
    }
    .loginForm {
        position: absolute;
        bottom: 0;
        width: 100%;
        padding: 0 20px;
        box-sizing: border-box;
    }

    .btns {
        display: flex;
        justify-content: flex-end;
    }
</style> 